Closed-caption broadcasting and displaying method and apparatus

Television – Image signal processing circuitry specific to television – Special effects

Patent

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Details

348564, 348468, H04N 5278, H04N 5445

Patent

active

06130722&

ABSTRACT:
A closed-caption broadcasting and displaying method and apparatus. According to the closed-caption broadcasting method and apparatus, a caption signal including character information and control information is encoded in a scanning line of each field of a television broadcasting signal to be transmitted, which does not affect the television broadcasting signal. Control information on the writing direction and display position among the control information is repeatedly transmitted at predetermined intervals.

REFERENCES:
patent: 5477274 (1995-12-01), Akiyoshi
patent: 5561471 (1996-10-01), Kim

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